10 Amazing DIY Playhouses- I still have boxes from my move....maybe a sleepover idea! YES!!!
Cardboard geodesic play den - did this with the boys. I cut the triangles from bicycle boxes I got from a local shop. At first, I used fasteners. But, I found the process faster and just as sturdy using duct tape.
Laser cut Snowflake Tree-
Wannekes - The newest and nicest "little things you want" of fashion, design, art and more: Zoo wood
Paper Chess Set
Cardboard Furniture - DIY and Crafts Ideas This may work and all but too funny of an idea not to laugh at.
cardboard christmas tree
now that's a cool upcycled cardboard box house.
Exciting new eco-friendly cardboard furniture for children from CartonLab